Thomas A Blakelock High School

Public · Secondary

1160 Rebecca St, Oakville, ON, L6L1Y9

+1 (905) 827-1158

Halton District School Board

Official website

Grades 9-121,165 studentsopen

School information

Grades served: 9-12
Enrollment: 1,165
School organization: Halton District School Board

Academic Performance

Scores compare similar schools only within Ontario, never across Canada.

secondary

8.6 / 10

Grade 9 Mathematics: 79%
Grade 10 OSSLT, first attempt: 90%

How Ontario assesses schools

EQAO, run by Education Quality and Accountability Office.

Ontario publishes provincial assessment results for individual schools.

Grades tested: 3, 6, 9, 10
Subjects: Reading, Writing, Mathematics, Literacy
Most recent year: 2024-2025

Results for this school

Secondary

Results published

A school without a score is not a school with a low score. Scores are only ever compared within Ontario and within the same stage — never between provinces, which use different tests.

Education Quality and Accountability Office

Enrolment over time

1,165 students in 2024-2025 — up 6% since 2011-2012. Roll as reported by Ontario, not a projection.

11–121,099
12–131,142
13–141,109
14–151,120
15–161,125
16–171,060
17–181,007
18–191,010
19–201,020
20–211,000
21–22990
22–23990
23–241,135
24–251,165

Some years are published as rounded or banded counts.

Programmes

Programmes Ontario lists for this school in 2025-2026. Only programmes the province publishes a register for can appear here, so this is not a full list of everything the school offers — and an absent programme does not mean it is not taught.